uart.h File Reference

Configure uart1. More...

#include <stdlib.h>
#include <stdint.h>
#include <xc.h>
#include <sys/attribs.h>
#include "interrup.h"

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Data Structures
struct	SerialBuf

Macros
#define	DisableUart1RxInterrupt()   IEC0bits.U1RXIE = 0;
#define	EnableUart1RxInterrupt()   IEC0bits.U1RXIE = 1;
#define	DisableUart1TxInterrupt()   IEC0bits.U1TXIE = 0;
#define	EnableUart1TxInterrupt()   IEC0bits.U1TXIE = 1;
#define	UART_BUF_SIZE   256
	must be 2's power
#define	INDEX_MASK   (UART_BUF_SIZE-1)

Functions
void	initUart (uint32_t PBCLK)
	Initial uart1. More...
void	_mon_putc (char c)
	function uart transmitter for polling More...
uint8_t	readChar (char *pchar)
	function uart reader for interruption More...

Variables
static volatile SerialBuf	rxb
	Transmission buffer.
static volatile SerialBuf	txb
	Reception buffer.

Detailed Description

Configure uart1.

Macro Definition Documentation

DisableUart1RxInterrupt

#define DisableUart1RxInterrupt

(

)

IEC0bits.U1RXIE = 0;

includes

Function Documentation

_mon_putc()

void _mon_putc

(

char

c

)

function uart transmitter for polling

Parameters

char

to send

initUart()

void initUart

(

uint32_t

PBCLK

)

Initial uart1.

Parameters

PBCLK

frequency of pic work.

readChar()

uint8_t readChar

(

char *

pchar

)

function uart reader for interruption

Parameters

registor

to save char in buffer.

Returns

List (if feasible) and describe the return values of the function.

• 1 receive new char in buffer
• 0 don't receive char in buffer